OpenMediacenterMobileFlutter/lib/logincontext.dart

57 lines
1.3 KiB
Dart
Raw Normal View History

import 'package:flutter/material.dart';
class LoginContainer extends StatefulWidget {
const LoginContainer({Key? key, required this.child}) : super(key: key);
final Widget child;
@override
_LoginContainerState createState() => _LoginContainerState();
}
class _LoginContainerState extends State<LoginContainer> {
bool loggedIn = false;
@override
Widget build(BuildContext context) {
return LoginContext(
LoggedIn: loggedIn,
child: widget.child,
onLoggin: (bool login) {
if (loggedIn != login) {
setState(() {
loggedIn = login;
});
}
},
);
}
}
class LoginContext extends InheritedWidget {
const LoginContext(
{Key? key,
required Widget child,
required this.LoggedIn,
required this.onLoggin})
: super(key: key, child: child);
final bool LoggedIn;
final void Function(bool) onLoggin;
setLoggedIn(bool login) {
onLoggin(login);
}
static LoginContext of(BuildContext context) {
final LoginContext? result =
context.dependOnInheritedWidgetOfExactType<LoginContext>();
assert(result != null, 'No LoginContext found in context');
return result!;
}
@override
bool updateShouldNotify(LoginContext old) {
return LoggedIn != old.LoggedIn;
}
}